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Breathe cleaner air: This personal air freshener will release more than 200 million negative ions, remove pollutants from your personal space, eliminate most of the smoke, cooking odors and even PM2.5 air pollutants, thereby improving mood And sleep. Small size, can be carried with you.No need to replace consumables, with an aromatherapy essential oil injection port, which can be used to place aromatherapy essential oils.Silent operation, suitable for various scenarios, purifying the surrounding environment anytime, anywhere.Energy saving and high efficiency.Environmental protection without consumables.Product Name: Air PurifierRated voltage: DC5VRated power: less than 1WCharging method: Type-cBattery capacity: 700mAhCharging time: 2 hoursUse time: 30HNegative ion concentration: 120 million pcs/cm3Applicable area: within 10㎡Working principle: negative ionColour: blackMaterial: ABS+PCSize: 70x34x18mmPackage Contents:1 * Air Purifier(including lanyard)1 * Charging cable